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**Chemistry...Before/After

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Comments

  • Registered Users Posts: 44 TMCGY


    SuchGold wrote: »
    Yeah I got like 53000 or something. Just realised its 101 kPa..

    Are you ment to change that? :confused:


  • Registered Users Posts: 343 ✭✭Liveforrugby


    The experiment questions made me cum


  • Registered Users Posts: 343 ✭✭Liveforrugby


    TMCGY wrote: »
    Are you ment to change that? :confused:

    Everything has to be changed to standard units. Don't worry everyone makes that mistake, you won't lose much


  • Registered Users Posts: 183 ✭✭Mista


    That was brilliant! :D :pac:


  • Closed Accounts Posts: 3,479 ✭✭✭ChemHickey


    Lovely paper. extremely happy. =) It was Fair anyway.


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  • Registered Users Posts: 44 TMCGY


    Everything has to be changed to standard units. Don't worry everyone makes that mistake, you won't lose much

    I changed the others but didnt know you had to change the kPa something else!


  • Closed Accounts Posts: 108 ✭✭ei.sderob


    What did ye get for the last part of question 2?? It kinda confused me. Overall the paper was nice!


  • Registered Users Posts: 414 ✭✭Dicksboro_man


    did anyone get else get a funny KC figure for q11 b at around 500 or something (3 digit figures anyway :) )?


  • Registered Users Posts: 59 ✭✭Cosmic.Postman


    ei.sderob wrote: »
    What did ye get for the last part of question 2?? It kinda confused me. Overall the paper was nice!

    I got 8, pretty sure that was right.


  • Registered Users Posts: 183 ✭✭Mista


    ei.sderob wrote: »
    What did ye get for the last part of question 2?? It kinda confused me. Overall the paper was nice!

    12 full tubes :)


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  • Registered Users Posts: 1,188 ✭✭✭mrboswell


    Any chance someone can scan it in and mail it to me?


  • Registered Users Posts: 207 ✭✭checkcheek


    did anyone get else get a funny KC figure for q11 b at around 500 or something (3 digit figures anyway :) )?


    I got 700 or something like thAt


  • Registered Users Posts: 1,763 ✭✭✭finality


    TMCGY wrote: »
    Do able paper! Anyone else get a really wierd number for the volatile liquid calculation??

    I got 0.1 moles, seemed fine to me.


    I'm so happy with that paper. I think I managed the A1 :D Definitely not below an A2. Woo my teacher will be so surprised, big improvement from my C2 in the mock.


  • Registered Users Posts: 59 ✭✭Cosmic.Postman


    Mista wrote: »
    12 full tubes :)

    Did you remember it was a 60% yield? And did you use 22.4 or 24 litres?


  • Registered Users Posts: 343 ✭✭Liveforrugby


    did anyone get else get a funny KC figure for q11 b at around 500 or something (3 digit figures anyway :) )?

    That was a trick question, you were supposed to rearange the sides or use the inverse of kc


  • Registered Users Posts: 183 ✭✭Mista


    Did you remember it was a 60% yield? And did you use 22.4 or 24 litres?

    Yes, and 24.


  • Registered Users Posts: 59 ✭✭Cosmic.Postman


    finality wrote: »
    I got 0.1 moles, seemed fine to me.

    Did you get 58 point something for the RMM then?


  • Registered Users Posts: 111 ✭✭Rossie17


    mrboswell wrote: »
    Any chance someone can scan it in and mail it to me?

    Yeah me too please? That would be great!!


  • Registered Users Posts: 343 ✭✭Liveforrugby


    I got 8 full tubes


  • Closed Accounts Posts: 108 ✭✭ei.sderob


    i got 13:/ Anyhoo, I just got confused towards the end as I basically just proved that the yield was 60 percent. Not really sure how I got 13:P


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  • Registered Users Posts: 1,763 ✭✭✭finality


    I got 8, pretty sure that was right.

    I got 8 too, I agree, confident that it's right.

    I also got a 3 digit figure for Kc, but I'm pretty sure it's right.


  • Registered Users Posts: 343 ✭✭Liveforrugby


    Explain why the pressure of the vapour is the same as atmospheric pressure? Answers please?


  • Registered Users Posts: 21 kyle84


    i got 8,questions 4,6,7,8 and 9 were so easy


  • Registered Users Posts: 59 ✭✭Cosmic.Postman


    finality wrote: »
    I got 8 too, I agree, confident that it's right.

    I also got a 3 digit figure for Kc, but I'm pretty sure it's right.

    I got around 402 for Kc? :S


  • Registered Users Posts: 1,763 ✭✭✭finality


    That was a trick question, you were supposed to rearange the sides or use the inverse of kc

    Why though?


  • Registered Users Posts: 343 ✭✭Liveforrugby


    finality wrote: »
    I got 8 too, I agree, confident that it's right.

    I also got a 3 digit figure for Kc, but I'm pretty sure it's right.

    Did you re arrenge it or inverse it?


  • Closed Accounts Posts: 72 ✭✭ivanh


    That was a shocking paper.. :(

    Definitely not getting an A1 or anywhere near it!

    Disappointed is not the word

    UGH


  • Registered Users Posts: 21 kyle84


    i didnt do equilibrium,one are of chemistry i seem to not lik for no apparent reason :L


  • Registered Users Posts: 343 ✭✭Liveforrugby


    finality wrote: »
    Why though?

    Look at it again, look at the arrows


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  • Closed Accounts Posts: 108 ✭✭ei.sderob


    Oh and the question on the rate of raction, what was the shape of the second graph for ye? Mine was less steep due to the lower concentration and it levelled off lower down due to the marble chips being excess like.


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